基于流固耦合分析的富水隧道外水压力与限量排放标准研究

郭鸿雁; 纪亚英; 方林; 李科; 唐承平; 王世法

doi:10.11779/CJGE2019S1042

基于流固耦合分析的富水隧道外水压力与限量排放标准研究 English Version

郭鸿雁^{1, 2, 3},
纪亚英⁴,
方林^{1, 2, 3},
李科^1,2,3, ,,
唐承平⁴,
王世法⁴

1. 招商局重庆交通科研设计院有限公司,重庆400067;
2. 国家山区公路工程技术研究中心,重庆400067;
3. 公路隧道建设技术国家工程实验室,重庆400067;
4. 四川雅康高速公路有限责任公司,四川雅安625000

基金项目: 国家重点研发计划专项项目（2017YFC08053005）; 西藏自治区重点科研项目（2016XZ01G31）; 国家自然科学基金项目（41601574）; 重庆市基础与前沿研究项目（cstc2015jcyjBX0118）

详细信息

作者简介:
郭鸿雁(1985—),男,硕士,主要从事隧道工程、地下结构工程等领域科研与咨询工作。E-mail：guohongyan@cmhk.com。

通讯作者:
李科，E-mail：364842342@qq.com

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- 文章访问数: 212
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出版历程
- 收稿日期: 2019-04-29
- 发布日期: 2019-07-14

External water pressures and limited emission standards of water-rich tunnels based on fluid-solid coupling analysis

GUO Hong-yan^{1, 2, 3},
JI Ya-ying⁴,
FANG Lin^{1, 2, 3},
LI Ke^1,2,3, ,,
TANG Cheng-ping⁴,
WANG Shi-fa⁴

1. China Merchants Chongqing Communication Research & Design Institute Co., Ltd., Chongqing 400067, China;
2. National Engineering and Research Center for Mountainous Highways, Chongqing 400067, China;
3. National Engineering Laboratory for Highway Tunnel Construction Technology, Chongqing 400067, China;
4. Sichuan Yakang Expressway Co., Ltd., Yaan 625000, China

摘要

摘要: 隧道衬砌结构外水压力和限量排放标准是岩溶山区隧道工程建设关注的焦点。以某富水隧道为依托,借助FLAC^3D软件通过流固耦合数值分析,对富水隧道衬砌结构合理的外水压力取值和限量排放标准进行研究。分析了围岩无注浆条件下隧道外水压力随排水量的变化规律,进而提出了基于结构安全的隧道外水压力取值和地下水排放标准,同时分析了围岩注浆条件下隧道外水压力随注浆圈厚度和地下水排放量的变化规律,提出不同注浆厚度条件下地下水排放标准和合理的注浆圈厚度取值。
- 富水隧道 /
- 流固耦合 /
- 外水压力 /
- 排放标准 /
- 注浆圈厚度
Abstract: The external water pressures of tunnel lining structures and the limited discharge standards are the focus of tunnel construction in karst mountainous areas. Based on a water-rich tunnel, by using the FLAC^3D software, the reasonable values of the external water pressures for the lining structures of the tunnel and the limited discharge standards are studied through the numerical analysis of fluid-solid coupling. The variation laws of water pressures of the tunnel with displacement without grouting is analyzed, then the values of the external water pressures of the tunnel and the standards of groundwater discharge based on the structural safety are proposed. At the same time, the variation laws of the external water pressures of the tunnel with grouting ring thickness and groundwater discharge under grouting are analyzed, the standards of groundwater discharge and the reasonable values of grouting ring thickness under different grouting thicknesses are put forward.
- water-rich tunnel /
- fluid-solid coupling /
- external water pressure /
- emission standard /
- grouting ring thickness

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参考文献(11)

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